Maxine Peake
Martha Costello (18 eps)
Rupert Penry-Jones
Clive Reader (18 eps)
Neil Stuke
Billy Lamb (18 eps)
John Macmillan
John Bright (18 eps)
Theo Barklem-Biggs
Jake Milner (18 eps)
Alex Jennings
Alan Cowdrey (13 eps)
Natalie Dormer
Niamh Cranitch (12 eps)
Phil Davis
Micky Joy (12 eps)
Frances Barber
Caroline Warwick (12 eps)
Amy Wren
Bethany Brassington (12 eps)
Tom Hughes
Nick Slade (6 eps)
Nina Sosanya
Kate Brockman (6 eps)
Jamie Dispirito
Jimmy Johnson (6 eps)
Indira Varma
George Duggan (6 eps)
Miranda Raison
Harriet Hammond (6 eps)
Jessica Henwick
Amy Lang (6 eps)
Adrian Schiller
Noah Zeigler (3 eps)
Aden Gillett
HHJ Donovan (1 eps)